Wicked Guardian 

Creature — Human Noble
When this creature enters, you may have it deal 2 damage to another creature you control. If you do, draw a card.
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.